Advanced Armament Corp muzzle brake for 5.56 NATO with 1/2x28 threads. Compatible with AAC 51T suppressors. Aerospace steel with SCARmor finish. Includes Rocksett and shim kit.
The AAC BlackOut 51T is a precision-engineered muzzle brake designed for shooters who demand both performance and reliability. Built from high-strength aerospace steel and finished in a hard, durable SCARmor coating, this brake delivers effective recoil management while resisting corrosion in demanding field conditions.
If you're running a suppressor-ready rifle, the 51T brake gives you the flexibility to shoot suppressed or unsuppressed without changing your muzzle device. The aerospace-grade materials ensure this brake will perform reliably for years of shooting, whether at the range or in the field.